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21041015020411 = 1131068717423381
BaseRepresentation
bin1001100100010111111100…
…01110011101101101111011
32202111111112111212211212211
410302023332032131231323
510224213444321123121
6112430035302515551
74301106652501621
oct462137616355573
982444474784784
1021041015020411
116782498493911
122439a81435bb7
13b9820b9caa09
1452a5679ad511
152674d2280ce1
hex1322fe39db7b

21041015020411 has 8 divisors (see below), whose sum is σ = 21229206177024. Its totient is φ = 20852858732160.

The previous prime is 21041015020309. The next prime is 21041015020429. The reversal of 21041015020411 is 11402051014012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21041015020411 - 241 = 18841991764859 is a prime.

It is a super-2 number, since 2×210410150204112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21041015020451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7504060 + ... + 9919321.

It is an arithmetic number, because the mean of its divisors is an integer number (2653650772128).

Almost surely, 221041015020411 is an apocalyptic number.

21041015020411 is a deficient number, since it is larger than the sum of its proper divisors (188191156613).

21041015020411 is a wasteful number, since it uses less digits than its factorization.

21041015020411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17434181.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 21041015020411 its reverse (11402051014012), we get a palindrome (32443066034423).

The spelling of 21041015020411 in words is "twenty-one trillion, forty-one billion, fifteen million, twenty thousand, four hundred eleven".

Divisors: 1 113 10687 1207631 17423381 1968842053 186203672747 21041015020411